Home / 103,464,025.47-142,783,802.01-56,423,665.53

Finding the Fourth Proportional to 103,464,025.47, 142,783,802.01 and 56,423,665.53

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Solution

The fourth proportional to 103,464,025.47, 142,783,802.01 and 56,423,665.53 is: 77,866,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,025.47 : 142,783,802.01 = 56,423,665.53 : x
  2. Step 2: Convert to fraction form
    103,464,025.47/142,783,802.01 = 56,423,665.53/x
  3. Step 3: Cross multiply
    103,464,025.47x = 142,783,802.01 × 56,423,665.53
  4. Step 4: Simplify right side
    103,464,025.47x = 8,056,385,487,713,981
  5. Step 5: Solve for x
    x = 8,056,385,487,713,981/103,464,025.47
  6. Step 6: Final answer
    x = 77,866,538.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.